@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;600;700;900&display=swap');

:root {
  color-scheme: light;
  --surface: #feffff;
  --ink: #101010;
  --muted: #586563;
  --line: #d9e3e1;
  --soft: #f1f6f5;
  --teal: #33b3aa;
  --accent-text: #168078;
  --crab-color: #33b3aa;
  --gutter: clamp(20px, 4.5vw, 80px);
}
html[data-theme=dark] {
  color-scheme: dark;
  --surface: #101b1a;
  --ink: #f3f9f7;
  --muted: #b2c2bf;
  --line: #344542;
  --soft: #182825;
  --teal: #62d2c5;
  --accent-text: #62d2c5;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--surface); color: var(--ink); font: 17px/1.6 Roboto, Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button, figure, a { touch-action: manipulation; }
img { display: block; max-width: 100%; }
button { color: inherit; }
:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 5px; }
.shell { width: min(1320px, calc(100% - var(--gutter) * 2)); margin-inline: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2 { font-weight: 500; letter-spacing: -.055em; text-wrap: balance; }
h2 { font-size: clamp(36px, 4.5vw, 64px); line-height: 1.12; }
h1 i, h2 i { font-style: normal; color: var(--accent-text); }
.icon, .footer-icon { display: inline-block; flex-shrink: 0; width: 24px; height: 24px; background: currentColor; mask: var(--icon) center / contain no-repeat; }
.icon-arrow { --icon: url('../assets/icons/arrow-right.svg'); }
.icon-external { --icon: url('../assets/icons/arrow-up-right.svg'); }
.icon-close { --icon: url('../assets/icons/xmark.svg'); }
.icon-zoom { --icon: url('../assets/icons/magnifier-plus.svg'); }
.benefit-shield { --icon: url('../assets/icons/shield-check.svg'); }
.benefit-fresh { --icon: url('../assets/icons/sparkles.svg'); }
.benefit-tooth { --icon: url('../assets/icons/benefit-tooth.svg'); }
.benefit-heart { --icon: url('../assets/icons/heart-pulse.svg'); }
.icon-check { --icon: url('../assets/icons/circle-check.svg'); }
.ingredient-chitosan { --icon: url('../assets/icons/ingredient-chitosan.svg'); }
.ingredient-corn { --icon: url('../assets/icons/ingredient-corn.svg'); }
.ingredient-inulin { --icon: url('../assets/icons/ingredient-inulin.svg'); }
.ingredient-erythritol { --icon: url('../assets/icons/ingredient-erythritol.svg'); }
.ingredient-juices { --icon: url('../assets/icons/ingredient-juices.svg'); }
.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 88px; padding-inline: max(var(--gutter), calc((100% - 1320px) / 2)); border-bottom: 1px solid var(--line); background: var(--surface); }
.brand { font-size: 32px; font-weight: 900; letter-spacing: -.055em; line-height: 1; }
.brand span { color: var(--teal); }
.site-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); font-size: 14px; font-weight: 500; }
.site-nav a { padding-block: 14px; }
.site-nav a:hover, .site-nav a.is-current, .company-link:hover { color: var(--accent-text); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone { font-size: 13px; white-space: nowrap; }
.theme-toggle, .menu-toggle, .back-to-top, .carousel-button, .video-play, .video-toggle, .video-mute, .video-fullscreen { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); }
.theme-toggle::before, .menu-toggle::before, .back-to-top::before, .carousel-button::before, .video-play::before, .video-toggle::before, .video-mute::before, .video-fullscreen::before { content: ''; width: 20px; height: 20px; background: currentColor; mask: var(--icon) center / contain no-repeat; }
.theme-toggle { --icon: url('../assets/icons/moon.svg'); }
html[data-theme=dark] .theme-toggle { --icon: url('../assets/icons/sun.svg'); }
.menu-toggle { display: none; --icon: url('../assets/icons/menu.svg'); }
.menu-toggle[aria-expanded=true] { --icon: url('../assets/icons/close.svg'); }
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center; padding-block: 72px 96px; }
.eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: .13em; font-weight: 600; }
.hero-eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 26px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
h1 { font-size: clamp(52px, 6.2vw, 88px); line-height: 1.03; }
h1 i { display: inline-block; }
.hero-tagline { font-size: clamp(22px, 2.2vw, 30px); line-height: 1.35; letter-spacing: -.025em; margin-top: 28px; }
.hero-lead { font-size: 15px; color: var(--muted); max-width: 440px; margin-top: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 15px 25px; min-height: 54px; border-radius: 100px; font-size: 15px; font-weight: 500; transition: background .2s, color .2s; }
.button-primary { background: var(--ink); color: var(--surface); }
.button-primary:hover { background: var(--teal); color: #101010; }
.company-link { font-size: 14px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 100px; }
.company-link .icon { width: 18px; height: 18px; }
.hero-image { min-width: 0; }
.carousel { position: relative; isolation: isolate; border-radius: 28px; overflow: hidden; }
.carousel-track { position: relative; aspect-ratio: 1 / 1.12; }
.carousel-slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s; }
.carousel-slide.is-active { opacity: 1; visibility: visible; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-button { position: absolute; top: 50%; transform: translateY(-50%); z-index: 2; opacity: 0; transition: opacity .2s; --icon: url('../assets/icons/arrow-up.svg'); }
.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }
.carousel-prev::before { transform: rotate(-90deg); }
.carousel-next::before { transform: rotate(90deg); }
.carousel:hover .carousel-button, .carousel:focus-within .carousel-button { opacity: 1; }
.carousel-dots { position: absolute; bottom: 10px; left: 12px; right: 12px; display: flex; justify-content: center; gap: 2px; }
.carousel-dots button { border: 0; background: transparent; padding: 0; width: 24px; height: 44px; display: grid; place-items: center; }
.carousel-dots button::before { content: ''; width: 14px; height: 4px; border-radius: 4px; background: #fff9; border: 1px solid #10101040; }
.carousel-dots button.is-active::before { background: #101010; border-color: #fff8; }
.section, .formula-section { padding-block: 0 100px; }
.section-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 28px; margin-bottom: 48px; }
.section-index { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; }
.intro-grid h2 { max-width: 550px; }
.intro-grid h2 i { display: block; }
.big-copy { font-size: 20px; line-height: 1.6; }
.muted { color: var(--muted); font-size: 15px; margin-top: 20px; }
.about-details { display: grid; grid-template-columns: .85fr 1.15fr; gap: 8%; align-items: center; margin-top: 60px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 32px; }
.feature-grid article { display: grid; grid-template-columns: 28px minmax(0, 1fr); align-content: start; column-gap: 16px; row-gap: 8px; }
.feature-grid article p { grid-column: 2; color: var(--muted); font-size: 15px; line-height: 1.65; }
.feature-grid .icon { color: var(--accent-text); margin-top: 1px; width: 28px; height: 28px; }
.feature-grid h3 { font-weight: 500; font-size: 17px; line-height: 1.6; }
.formula-list { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 44px 48px; }
.formula-list > div { grid-column: span 2; }
.formula-list > div:nth-last-child(-n+2) { grid-column: span 3; }
.formula-list strong { display: flex; align-items: center; gap: 16px; font-size: 21px; font-weight: 500; line-height: 1.4; min-height: 48px; }
.formula-list .icon { color: var(--accent-text); width: 36px; height: 36px; }
.formula-list p { color: var(--muted); margin-top: 16px; font-size: 16px; max-width: 48ch; }
.diploma-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.diploma-grid figure { display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; cursor: zoom-in; }
.diploma-grid img { width: auto; height: auto; max-height: 280px; max-width: 200px; border-radius: 4px; }
.diploma-grid figcaption { font-size: 17px; line-height: 1.6; }
.diploma-grid figure:hover figcaption { color: var(--accent-text); }
.document-zoom { display: flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--accent-text); font-size: 14px; font-weight: 500; }
.document-zoom .icon { width: 18px; height: 18px; }
.buy-section { padding-bottom: 100px; }
.buy-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
.buy-lead { max-width: 680px; color: var(--muted); font-size: 20px; }
.marketplaces { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.marketplaces a { display: flex; align-items: center; gap: 18px; min-height: 96px; border-bottom: 1px solid var(--line); font-size: 23px; font-weight: 500; transition: color .2s; }
.marketplaces a:hover { color: var(--accent-text); }
.marketplaces .icon-external { margin-left: auto; width: 22px; height: 22px; }
.marketplaces span:not(.icon) { width: 44px; height: 44px; flex-shrink: 0; background: center / contain no-repeat; }
.marketplaces a:nth-child(1) span:not(.icon) { background-image: url('../assets/icons/wildberries-sign-logo.svg'); }
.marketplaces a:nth-child(2) span:not(.icon) { background-image: url('../assets/icons/ozon-icon-logo.svg'); }
.marketplaces a:nth-child(3) span:not(.icon) { background-image: url('../assets/icons/yandex-market-sign-logo.svg'); }
.site-footer { width: 100%; background: var(--soft); display: flex; justify-content: space-between; gap: 40px; padding: 64px max(var(--gutter), calc((100% - 1320px) / 2)); }
.site-footer .brand { display: inline-block; margin-bottom: 20px; font-size: 42px; }
.site-footer p { font-size: 14px; color: var(--muted); }
.footer-contacts { display: flex; gap: 70px; }
.footer-label { font-size: 11px !important; letter-spacing: .12em; margin-bottom: 20px; }
.footer-contact { display: flex; align-items: center; gap: 12px; font-size: 15px; margin-bottom: 12px; }
.footer-address { max-width: 265px; align-items: flex-start; }
.footer-icon { width: 18px; height: 18px; margin-top: 2px; }
.footer-icon--phone { --icon: url('../assets/icons/footer-phone.svg'); }
.footer-icon--email { --icon: url('../assets/icons/footer-email.svg'); }
.footer-icon--address { --icon: url('../assets/icons/footer-address.svg'); }
.video-frame { position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 24px; background: var(--soft); }
.product-video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 64px; height: 64px; --icon: url('../assets/icons/video-play.svg'); }
.video-controls { position: absolute; bottom: 0; left: 0; right: 0; display: flex; align-items: center; gap: 8px; padding: 12px; background: color-mix(in srgb, var(--surface) 90%, transparent); opacity: 0; transition: opacity .2s; }
.video-frame:hover .video-controls, .video-frame:focus-within .video-controls { opacity: 1; }
.video-controls button { flex-shrink: 0; background: transparent; border: 0; }
.video-toggle { --icon: url('../assets/icons/video-play.svg'); }
.video-mute { --icon: url('../assets/icons/video-volume.svg'); }
.video-fullscreen { --icon: url('../assets/icons/chevrons-expand-up-right.svg'); }
.is-fullscreen .video-fullscreen { --icon: url('../assets/icons/chevrons-collapse-up-right.svg'); }
.is-playing .video-toggle { --icon: url('../assets/icons/video-pause.svg'); }
.is-muted .video-mute { --icon: url('../assets/icons/video-volume-off.svg'); }
.is-playing .video-play { opacity: 0; pointer-events: none; }
.video-progress { min-width: 0; width: 100%; accent-color: var(--accent-text); }
.video-frame:fullscreen { border-radius: 0; }
.video-frame:fullscreen video { object-fit: contain; }
.image-modal { max-width: 95vw; max-height: 94dvh; padding: 48px 16px 16px; border: 0; border-radius: 16px; background: var(--surface); color: var(--ink); }
.image-modal::backdrop { background: #000b; }
.image-modal img { max-height: calc(94dvh - 64px); width: auto; object-fit: contain; }
.image-modal button { position: absolute; right: 8px; top: 4px; border: 0; background: transparent; display: grid; place-items: center; width: 44px; height: 44px; }
.back-to-top { position: fixed; right: 20px; bottom: 20px; z-index: 5; background: var(--ink); color: var(--surface); visibility: hidden; opacity: 0; --icon: url('../assets/icons/arrow-up.svg'); }
.back-to-top.is-visible { visibility: visible; opacity: 1; }
.skip-link { position: fixed; top: 10px; left: 10px; transform: translateY(-160%); z-index: 30; background: var(--surface); padding: 12px 20px; border: 1px solid var(--ink); border-radius: 8px; }
.skip-link:focus { transform: none; }
@media (max-width: 1150px) {
  .header-phone { display: none; }
  .hero { gap: 32px; }
  .hero-actions { gap: 16px; }
  .diploma-grid figure { grid-template-columns: 1fr; align-content: start; }
  .footer-contacts { gap: 32px; }
}
@media (max-width: 850px) {
  html { scroll-padding-top: 92px; }
  .site-header { min-height: 76px; }
  .menu-toggle { display: grid; }
  .site-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 16px var(--gutter) 24px; border-bottom: 1px solid var(--line); background: var(--surface); }
  .site-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav a { min-height: 48px; font-size: 17px; }
  .hero { padding-block: 48px 64px; }
  h1 { font-size: clamp(44px, 6.7vw, 64px); }
  .hero-lead { font-size: 14px; }
  .hero-tagline { font-size: 22px; }
  .carousel-track { aspect-ratio: 3 / 4; }
  .intro-grid, .about-details { gap: 32px; }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-grid h2 { max-width: 620px; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .formula-list { grid-template-columns: 1fr 1fr; gap: 32px; }
  .formula-list > div, .formula-list > div:nth-last-child(-n+2) { grid-column: auto; }
  .section, .formula-section, .buy-section { padding-bottom: 64px; }
  .section-top { margin-bottom: 32px; }
  .marketplaces { gap: 20px; }
  .marketplaces a { font-size: 17px; gap: 10px; }
  .marketplaces span { width: 32px; height: 32px; }
  .site-footer { flex-direction: column; }
  .footer-contacts { justify-content: space-between; }
  .back-to-top { visibility: visible; opacity: 1; }
}
@media (max-width: 600px) {
  .hero { grid-template-columns: 1fr; gap: 36px; }
  h1 { font-size: clamp(48px, 11.5vw, 68px); }
  .hero-tagline br { display: none; }
  .hero-tagline { max-width: 350px; }
  .hero-eyebrow { margin-bottom: 22px; }
  .hero-actions { gap: 18px; }
  .button { padding-inline: 22px; }
  .carousel-track { aspect-ratio: 1; }
  .carousel { border-radius: 20px; }
  .big-copy { font-size: 18px; }
  .about-details { grid-template-columns: 1fr; margin-top: 32px; }
  .feature-grid { gap: 24px; }
  .formula-list { grid-template-columns: 1fr; gap: 30px; }
  .formula-list p { margin-top: 10px; }
  .diploma-grid { grid-template-columns: 1fr; gap: 36px; }
  .diploma-grid figure { grid-template-columns: 120px 1fr; gap: 20px; }
  .diploma-grid img { max-width: 120px; }
  .diploma-grid figcaption { font-size: 14px; }
  .buy-lead { font-size: 18px; }
  .marketplaces { grid-template-columns: 1fr; gap: 0; }
  .marketplaces a { font-size: 23px; min-height: 88px; gap: 18px; }
  .marketplaces span { width: 40px; height: 40px; }
  .footer-contacts { flex-direction: column; gap: 24px; }
  .site-footer { padding-block: 40px 72px; }
  .header-actions { gap: 8px; }
}
@media (hover: none) { .carousel-button, .video-controls { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}